diff --git a/src/devices/file.c b/src/devices/file.c
index 350cca7..57579d3 100644
--- a/src/devices/file.c
+++ b/src/devices/file.c
@@ -154,7 +154,7 @@ file_delete(UxnFile *c)
 /* IO */
 
 void
-file_deo(Uint8 id, Device *d, Uint8 port)
+file_deo(Uint8 id, Uint8 *ram, Device *d, Uint8 port)
 {
 	UxnFile *c = &uxn_file[id];
 	Uint16 addr, len, res;
@@ -164,7 +164,7 @@ file_deo(Uint8 id, Device *d, Uint8 port)
 		DEVPEEK16(len, 0xa);
 		if(len > 0x10000 - addr)
 			len = 0x10000 - addr;
-		res = file_stat(c, &d->u->ram[addr], len);
+		res = file_stat(c, &ram[addr], len);
 		DEVPOKE16(0x2, res);
 		break;
 	case 0x6:
@@ -173,7 +173,7 @@ file_deo(Uint8 id, Device *d, Uint8 port)
 		break;
 	case 0x9:
 		DEVPEEK16(addr, 0x8);
-		res = file_init(c, (char *)&d->u->ram[addr], 0x10000 - addr);
+		res = file_init(c, (char *)&ram[addr], 0x10000 - addr);
 		DEVPOKE16(0x2, res);
 		break;
 	case 0xd:
@@ -181,7 +181,7 @@ file_deo(Uint8 id, Device *d, Uint8 port)
 		DEVPEEK16(len, 0xa);
 		if(len > 0x10000 - addr)
 			len = 0x10000 - addr;
-		res = file_read(c, &d->u->ram[addr], len);
+		res = file_read(c, &ram[addr], len);
 		DEVPOKE16(0x2, res);
 		break;
 	case 0xf:
@@ -189,7 +189,7 @@ file_deo(Uint8 id, Device *d, Uint8 port)
 		DEVPEEK16(len, 0xa);
 		if(len > 0x10000 - addr)
 			len = 0x10000 - addr;
-		res = file_write(c, &d->u->ram[addr], len, d->dat[0x7]);
+		res = file_write(c, &ram[addr], len, d->dat[0x7]);
 		DEVPOKE16(0x2, res);
 		break;
 	}
diff --git a/src/devices/file.h b/src/devices/file.h
index 72ace0a..1afa1ba 100644
--- a/src/devices/file.h
+++ b/src/devices/file.h
@@ -13,6 +13,6 @@ WITH REGARD TO THIS SOFTWARE.
 #define POLYFILEY 2
 #define DEV_FILE0 0xa
 
-void file_deo(Uint8 id, Device *d, Uint8 port);
+void file_deo(Uint8 id, Uint8 *ram, Device *d, Uint8 port);
 Uint8 file_dei(Uint8 id, Uint8 *d, Uint8 port);
 int load_rom(Uxn *u, char *filename);
diff --git a/src/uxn.c b/src/uxn.c
index f3934ca..6acb74c 100644
--- a/src/uxn.c
+++ b/src/uxn.c
@@ -113,11 +113,3 @@ uxn_boot(Uxn *u, Uint8 *ram)
 	u->dpg = (Uint8*)(ram + 0x10200);
 	return 1;
 }
-
-Device *
-uxn_port(Uxn *u, Uint8 id)
-{
-	Device *d = &u->dev[id];
-	d->u = u;
-	return d;
-}
diff --git a/src/uxn.h b/src/uxn.h
index f0d1de8..9516493 100644
--- a/src/uxn.h
+++ b/src/uxn.h
@@ -34,7 +34,6 @@ typedef struct {
 } Stack;
 
 typedef struct Device {
-	struct Uxn *u;
 	Uint8 dat[16];
 } Device;
 
@@ -49,4 +48,3 @@ typedef struct Uxn {
 int uxn_boot(Uxn *u, Uint8 *ram);
 int uxn_eval(Uxn *u, Uint16 pc);
 int uxn_halt(Uxn *u, Uint8 error, Uint16 addr);
-Device *uxn_port(Uxn *u, Uint8 id);
diff --git a/src/uxn11.c b/src/uxn11.c
index 7a2249f..6a3c80c 100644
--- a/src/uxn11.c
+++ b/src/uxn11.c
@@ -80,8 +80,8 @@ uxn11_deo(Uxn *u, Uint8 addr, Uint8 v)
 	case 0x00: system_deo(u, d->dat, p); break;
 	case 0x10: console_deo(d->dat, p); break;
 	case 0x20: screen_deo(u->ram, d->dat, p); break;
-	case 0xa0: file_deo(0, d, p); break;
-	case 0xb0: file_deo(1, d, p); break;
+	case 0xa0: file_deo(0, u->ram, d, p); break;
+	case 0xb0: file_deo(1, u->ram, d, p); break;
 	}
 }
 
@@ -176,24 +176,6 @@ start(Uxn *u, char *rom)
 	fprintf(stderr, "Loaded %s\n", rom);
 	u->dei = uxn11_dei;
 	u->deo = uxn11_deo;
-
-	/* system   */ uxn_port(u, 0x0);
-	/* console  */ uxn_port(u, 0x1);
-	/* screen   */ uxn_port(u, 0x2);
-	/* empty    */ uxn_port(u, 0x3);
-	/* empty    */ uxn_port(u, 0x4);
-	/* empty    */ uxn_port(u, 0x5);
-	/* empty    */ uxn_port(u, 0x6);
-	/* empty    */ uxn_port(u, 0x7);
-	/* control  */ uxn_port(u, 0x8);
-	/* mouse    */ uxn_port(u, 0x9);
-	/* file0    */ uxn_port(u, 0xa);
-	/* file1    */ uxn_port(u, 0xb);
-	/* datetime */ uxn_port(u, 0xc);
-	/* empty    */ uxn_port(u, 0xd);
-	/* reserved */ uxn_port(u, 0xe);
-	/* reserved */ uxn_port(u, 0xf);
-
 	screen_resize(&uxn_screen, WIDTH, HEIGHT);
 	if(!uxn_eval(u, PAGE_PROGRAM))
 		return error("Boot", "Failed to start rom.");